{#<nav class="navbar navbar-left col-md-2" id="header1">#}
{#    <div class="container " id="nav">#}
{#        <!-- 导航栏 -->#}
{#        <a class="navbar-brand container-fluid" href="#">项目</a>#}
{#        <!-- 导航入口 -->#}
{#        <div>#}
{#            {% for taskname in tasknames %}#}
{#            <ul class="navbar-nav">#}
{#                <!-- 条目 -->#}
{#                <li class="nav-item">#}
{#                    <a class="nav-link" href="#">{{ taskname.project_name }}</a>#}
{#                </li>#}
{#            </ul>#}
{#            {% endfor %}#}
{#        </div>#}
{#    </div>#}
{#</nav>#}
